* Review billing data, purchase orders, and customer contracts to ensure accurate invoice generation. * Prepare, validate, and issue recurring or complex client invoices according to strict billing schedules. * Process rate changes, adjustments, credits, and rebills in line with company approval policies. * Investigate and resolve billing errors, system discrepancies, and rate variances across accounts. * Collaborate with sales, account management, and operations teams to clarify contract terms and pricing structures. * Reconcile billed revenue with general ledger accounts and resolve unbilled revenue balances. * Monitor unbilled orders, billing queues, and delayed invoices to eliminate operational bottlenecks. * Analyze billing trends, recurring revenue variances, and system data for forecasting and audits. * Assist customers and customer support representatives with complex billing inquiries and disputes. * Ensure all billing processes comply with internal accounting controls, revenue recognition rules, and SOX guidelines. * Support month-end close by generating revenue reports and posting required accrual entries. * Identify opportunities to automate billing workflows, refine system logic, and update billing software configurations.

* Prepare and issue accurate invoices, sales orders, and credit notes promptly to clients. * Verify prices, taxes, payment terms, and discount details against customer agreements before billing. * Log customer payments received via bank transfers, credit cards, or checks into the accounting software. * Match incoming funds against open, corresponding invoices to keep customer ledgers up to date. * Review aging schedules continuously to track and prioritize overdue account balances. * Contact clients via email and phone to follow up on overdue invoices and secure payments. * Negotiate approved payment plans with clients experiencing short-term financial delays. * Reconcile customer ledgers with bank statements and resolve unapplied cash or short payments. * Investigate billing disputes and payment mismatches by coordinating with internal sales and operations teams. * Assist in reviewing client creditworthiness and payment history before extending credit terms. * Flag high-risk, delinquent accounts to management for credit holds or bad debt assessment. * Prepare regular cash collection status reports and track collection performance metrics. * Provide documentation and support for month-end financial closing and external audits.